Electronic cigarette



FIG. 1 is a top, front, right side perspective view of an electronic cigarette, showing our new design;

FIG. 2 is a bottom, rear, left side perspective view thereof,

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings show portions of the electronic cigarette which form no part of the claimed design. 

CLAIM We claim the ornamental design for an electronic cigarette, as shown and described. 